Fix deprecated: use rtl::isAsciiDigit/isAsciiAlpha instead
Fix deprecated: use rtl::isAsciiDigit/isAsciiAlpha instead

Change-Id: I74238c164e661f0090e78e5c6107b974834a685b

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core